function openModal(pagina, rendered, render)
{
  var a = new Array;
  a[0] = 1;
  a[1] = 4;

  var r = window.showModalDialog(pagina,
      a, "dialogwidth: 450; dialogheight: 300; resizable: no");
  document.getElementById(component).textContent = r;
  document.getElementById(rendered).refresh(render); return false;

}
